Fluid · Rear Differential
Rear Differential
for 1988-2000 GMC K2500 7.4L V8 · 4WD
Fluid Type
80W-90 GL-5 gear oil
Spec: API GL-5
Capacity
4.2qt
3.97 L
Drain & Refill
4.2 qt
3.97 L
Change Interval
50,000 mi
80,450 km
Notes
Full-floating rear axle; add limited-slip additive if equipped
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Engine Oil
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Manual Transmission
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